#!bin/bash
#Bai 9

N=$2

if [ $# -eq 2 ] 
then
if [ `expr match "$2" '.*[^0-9]'` -eq 0 ]
then
		for((i=1;i<=N;i++))
		do
			echo $1
		done
else
	echo "Tham so thu 2 khong la so"
	
fi
else
	echo "Chuoi co khoang trang"
fi
